week-numbers.net

Calendar 2021 with Week numbers. The current Week Number is WN 23.

Calendar 2021

January

KWMoDiMiDoFrSaSo
5328293031123
0145678910
0211121314151617
0318192021222324
0425262728293031

February

KWMoDiMiDoFrSaSo
051234567
06891011121314
0715161718192021
0822232425262728

March

KWMoDiMiDoFrSaSo
091234567
10891011121314
1115161718192021
1222232425262728
132930311234

April

KWMoDiMiDoFrSaSo
132930311234
14567891011
1512131415161718
1619202122232425
17262728293012

May

KWMoDiMiDoFrSaSo
17262728293012
183456789
1910111213141516
2017181920212223
2124252627282930
2231123456

June

KWMoDiMiDoFrSaSo
2231123456
2378910111213
2414151617181920
2521222324252627
262829301234

July

KWMoDiMiDoFrSaSo
262829301234
27567891011
2812131415161718
2919202122232425
302627282930311

August

KWMoDiMiDoFrSaSo
302627282930311
312345678
329101112131415
3316171819202122
3423242526272829
35303112345

September

KWMoDiMiDoFrSaSo
35303112345
366789101112
3713141516171819
3820212223242526
3927282930123

October

KWMoDiMiDoFrSaSo
3927282930123
4045678910
4111121314151617
4218192021222324
4325262728293031

November

KWMoDiMiDoFrSaSo
441234567
45891011121314
4615161718192021
4722232425262728
48293012345

December

KWMoDiMiDoFrSaSo
48293012345
496789101112
5013141516171819
5120212223242526
52272829303112

The year 2021s maximum week number is WN 52. 2021 starts on Friday, January 1st 2021 and ends on Friday, December 31st 2021. One year has up to 53 week numbers. The first week of the year (WN 1) is the week containing january 4th or the first tuesday of the Year.